02557+4216 ES 1508

Coord 2000	02557+4216		Discov num	ES 1508		Comp			Coord arcsec 2000	02 55 40.29 +42 15 13.3
Date first	1893		Date last	2011		Obs	8
Pa first	59		Pa last	56		P.A. Now (θ)	56°
Sep first	3.0		Sep last	3.6		Sep. Now (ρ)	3.6"
Mag pri	10.60		Mag sec	10.80		delta mag (ΔM)	0.2		Spectral class
Pri motion ra	-023		Sec motion ra	+007
Pri motion dec	-012		Sec motion dec	+008
Notes

rPM=1.39 This double is not physical.

Precise pa	56.3		Precise sep	3.57		Constellation	Perseus		last precise pa	56.3
last precise sep	3.57

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
02557+4216	ES 1508		2000	6	60	3.5	10.60	10.80		D	025540.43+421514.2
02557+4216	ES 1508		2011	7	56	3.5	10.60	10.80		D	025540.43+421514.2

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